$276+ Cheap flights from San Antonio to Idaho Falls (SAT - IDA)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
SAT — IDA
Jul 11 — Jul 181
Round-trip
1 adult, Economy
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Find cheap flights from San Antonio to Idaho Falls with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Antonio to Idaho Falls
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Best
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Cheapest flights from San Antonio to Idaho FallsExplore the most affordable flight options available from San Antonio to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
Explore the most affordable flight options available from San Antonio to Idaho Falls. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:21 pm
SAT
- IDA
1 stop7h 21m
Alaska Airlines
Wed 11/186:04 am
IDA
- SAT
1 stop9h 21m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Thu 8/67:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/8![Delta logo]()
$354
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Fri 9/186:00 am
IDA
- SAT
1 stop6h 40m
Delta
Deal found 6/6![Delta logo]()
$379
This United Airlines deal was found by Cheapflights users on 6/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/169:07 am
SAT
- IDA
1 stop5h 22m
United Airlines
Wed 9/232:25 pm
IDA
- SAT
1 stop5h 27m
United Airlines
Deal found 6/7![United Airlines logo]()
$390
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:24 pm
SAT
- IDA
2 stops9h 44m
United Airlines
Wed 11/187:00 am
IDA
- SAT
1 stop5h 05m
United Airlines
Deal found 6/10![United Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 6/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sun 9/206:57 pm
IDA
- SAT
1 stop4h 29m
Delta
Deal found 6/11![Delta logo]()
$444
Best flights from San Antonio to Idaho FallsDiscover carefully curated flight deals from San Antonio to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
Discover carefully curated flight deals from San Antonio to Idaho Falls that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 11, 2026.
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:21 pm
SAT
- IDA
1 stop7h 21m
Alaska Airlines
Wed 11/186:04 am
IDA
- SAT
1 stop9h 21m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Thu 8/67:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/8![Delta logo]()
$354
This United Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/1412:24 pm
SAT
- IDA
2 stops9h 44m
United Airlines
Wed 11/182:35 pm
IDA
- SAT
2 stops7h 13m
United Airlines
Deal found 6/10![United Airlines logo]()
$429
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Fri 9/186:00 am
IDA
- SAT
1 stop6h 40m
Delta
Deal found 6/6![Delta logo]()
$379
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/136:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sun 9/206:57 pm
IDA
- SAT
1 stop4h 29m
Delta
Deal found 6/8![Delta logo]()
$424
This United Airlines deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/79:10 am
SAT
- IDA
1 stop7h 13m
United Airlines
Thu 9/102:25 pm
IDA
- SAT
1 stop5h 27m
United Airlines
Deal found 6/8![United Airlines logo]()
$491
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:03 pm
SAT
- IDA
1 stop5h 28m
Delta
Sun 7/127:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/6![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:05 pm
SAT
- IDA
1 stop5h 09m
Delta
Sun 9/206:57 pm
IDA
- SAT
1 stop4h 29m
Delta
Deal found 6/9![Delta logo]()
$499
Last-minute flights from San Antonio to Idaho FallsDiscover last-minute flight deals from San Antonio to Idaho Falls. Data last updated June 11, 2026 and is based on user searches.
Discover last-minute flight deals from San Antonio to Idaho Falls. Data last updated June 11, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/169:37 am
SAT
- IDA
2 stops8h 42m
United Airlines
Fri 6/265:54 pm
IDA
- SAT
1 stop5h 01m
United Airlines
Deal found 6/9![United Airlines logo]()
$501
This American Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/165:01 am
SAT
- IDA
1 stop7h 46m
American Airlines
Fri 6/262:26 pm
IDA
- SAT
1 stop6h 34m
American Airlines
Deal found 6/9![American Airlines logo]()
$617
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/175:30 am
SAT
- IDA
1 stop5h 20m
United Airlines
Fri 6/265:54 pm
IDA
- SAT
1 stop5h 01m
United Airlines
Deal found 6/9![United Airlines logo]()
$485
This Delta deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/196:30 am
SAT
- IDA
1 stop5h 13m
Delta
Fri 6/263:25 pm
IDA
- SAT
1 stop7h 51m
Delta
Deal found 6/10![Delta logo]()
$509
This Kiwi.com deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/257:51 pm
SAT
- IDA
2 stops21h 17m
Multiple Airlines
Mon 7/610:47 pm
IDA
- SAT
1 stop20h 50m
Multiple Airlines
Deal found 6/9![Multiple Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 6/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/66:03 pm
SAT
- IDA
1 stop5h 28m
Delta
Sun 7/127:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/6![Delta logo]()
$448
This Delta deal was found by Cheapflights users on 6/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/306:03 pm
SAT
- IDA
1 stop5h 29m
Delta
Thu 8/67:00 pm
IDA
- SAT
1 stop4h 26m
Delta
Deal found 6/8![Delta logo]()
$354
One-way flights from San Antonio to Idaho FallsSearch for one-way flight options from San Antonio to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
Search for one-way flight options from San Antonio to Idaho Falls. Find affordable one-way fares based on user searches. Data last updated June 11, 2026.
This Delta deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:39 pm
SAT
- IDA
1 stop6h 41m
Delta
Deal found 6/9![Delta logo]()
$276
This Kiwi.com deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/34:22 pm
SAT
- IDA
3 stops41h 33m
Multiple Airlines
Deal found 6/10![Multiple Airlines logo]()
$507
This United Airlines deal was found by Cheapflights users on 6/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/19:30 am
SAT
- IDA
3 stops12h 48m
United Airlines
Deal found 6/9![United Airlines logo]()
$523
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:57 pm
SAT
- IDA
1 stop19h 56m
American Airlines
Deal found 6/10![American Airlines logo]()
$595
This Alaska Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:00 am
SAT
- IDA
2 stops17h 39m
Alaska Airlines
Deal found 6/10![Alaska Airlines logo]()
$630
Find flight deals from San Antonio to Idaho Falls
Discover tips and strategies to find the most affordable flight options for your journey from San Antonio (SAT) to Idaho Falls (IDA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $329 (Alaska Airlines) |
One-way from | $276 (Delta) |
Popular in | December |
Cheapest in | February |
Average price | $450 |
Cheapflights Fare Finder
Customize your flight search to find flights from San Antonio to Idaho Falls that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from San Antonio to Idaho Falls that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 11/14
5:21 pm-11:42 pm
1 stop7h 21m
Idaho Falls Fanning Field
Wed 11/18
6:04 am-4:25 pm
1 stop9h 21m
$329
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Thu 7/30
6:03 pm-10:32 pm
1 stop5h 29m
Idaho Falls Fanning Field
Thu 8/6
7:00 pm-12:26 am
1 stop4h 26m
$354
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Fri 9/4
6:03 pm-10:32 pm
1 stop5h 29m
Idaho Falls Fanning Field
Fri 9/18
6:00 am-1:40 pm
1 stop6h 40m
$379
Quickest round-trip
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sun 9/13
6:05 pm-10:14 pm
1 stop5h 09m
Idaho Falls Fanning Field
Sun 9/20
6:57 pm-12:26 am
1 stop4h 29m
$424
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 11/14
12:24 pm-9:08 pm
2 stops9h 44m
Idaho Falls Fanning Field
Wed 11/18
2:35 pm-10:48 pm
2 stops7h 13m
$429
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Mon 7/6
6:03 pm-10:31 pm
1 stop5h 28m
Idaho Falls Fanning Field
Sun 7/12
7:00 pm-12:26 am
1 stop4h 26m
$448
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Mon 9/7
9:10 am-3:23 pm
1 stop7h 13m
Idaho Falls Fanning Field
Thu 9/10
2:25 pm-8:52 pm
1 stop5h 27m
$491
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Sat 9/12
6:05 pm-10:14 pm
1 stop5h 09m
Idaho Falls Fanning Field
Sun 9/20
6:57 pm-12:26 am
1 stop4h 29m
$499
Cheapest one-way
Quickest one-way
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Tue 9/1
12:39 pm-6:20 pm
1 stop6h 41m
$276
San AntonioIdaho Falls
SAT - IDA
SATIDA
San Antonio
Fri 7/3
4:22 pm-8:55 am
3 stops41h 33m
$507
Showing 1-10 of 13 resultsSorted by cheapest first
Compare providers for flights from San Antonio to Idaho Falls
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Antonio to Idaho Falls in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Antonio-Idaho Falls flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Antonio-Idaho Falls flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Antonio-Idaho Falls flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Antonio-Idaho Falls flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Antonio-Idaho Falls flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from San Antonio to Idaho Falls
Have a flexible travel schedule? Discover the best time to fly to Idaho Falls from San Antonio with our price prediction graph.
SAT-IDA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Antonio to Idaho Falls
Reviews of airlines servicing Idaho Falls
Get insights into the airlines that provide service to Idaho Falls. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho Falls. Reviews last updated June 11, 2026.
Read through reviews of airlines operating flights from San Antonio to Idaho Falls, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.9
Food
7.2
Comfort
7.8
Crew
8.5
Boarding
8.1
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Related info for your journey
Find useful and relevant information for your journey from San Antonio to Idaho Falls. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Idaho Falls?
Book flights to Idaho Falls if you plan to visit one of these locationsRexburg
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Other flights to Idaho Falls
Explore flights to Idaho Falls departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
San Antonio and Idaho Falls flights
Browse other San Antonio and Idaho Falls flight options. Last updated on June 11, 2026.
Other flights from San Antonio
Browse through other flights departing from San Antonio. Flights are based on user searches made on Cheapflights and were last updated on June 11, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 2 airlines flying from San Antonio to Idaho Falls
Discover the top 2 airlines that operate flights from San Antonio to Idaho Falls. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$328 | Average$404 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$357 | Average$460 | FlexibilityNo cancel fee | On-time69% |